1. 
[syn: fetid, foetid, foul, foul-smelling, funky, noisome, smelly, stinking, ill-scented]
WordNet (r) 3.0 (2006):
smelly
    adj 1: offensively malodorous; "a foul odor"; "the kitchen
           smelled really funky" [syn: fetid, foetid, foul,
           foul-smelling, funky, noisome, smelly,
           stinking, ill-scented]
Moby Thesaurus II by Grady Ward, 1.0:
56 Moby Thesaurus words for "smelly":
   aromatic, bad, bad-smelling, effluvious, fecal, fetid, foul,
   fragrant, frowsty, frowy, frowzy, fulsome, funky, fusty, gamy,
   graveolent, high, ill-smelling, malodorous, mephitic, miasmal,
   miasmatic, miasmic, mildewed, mildewy, moldy, musty, nidorous,
   noisome, noxious, odorant, odored, odoriferous, odorous, offensive,
   olid, putrid, rancid, rank, reasty, reasy, redolent, reechy,
   reeking, reeky, repulsive, rotten, smellful, smelling, smellsome,
   stenchy, stinking, strong, stuffy, sulfurous, vile